Erythrocruorin
Encyclopedia
Erythrocruorin is a large oxygen
-carrying protein
, whose molecular mass
is greater than 3.5 million Daltonshttp://www.pnas.org/cgi/content/full/97/13/7107. It is related to the similar chlorocruorin
. It is found in many annelid
s.
Oxygen
Oxygen is the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής , because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition...
-carrying protein
Protein
Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function. A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of...
, whose molecular mass
Molecular mass
The molecular mass of a substance is the mass of one molecule of that substance, in unified atomic mass unit u...
is greater than 3.5 million Daltonshttp://www.pnas.org/cgi/content/full/97/13/7107. It is related to the similar chlorocruorin
Chlorocruorin
Chlorocruorin is an oxygen-binding hemeprotein present in the blood plasma of many annelids, particularly certain marine polychaetes. Its affinity for oxygen is weaker than that of most hemoglobins...
. It is found in many annelid
Annelid
The annelids , formally called Annelida , are a large phylum of segmented worms, with over 17,000 modern species including ragworms, earthworms and leeches...
s.